1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
shepuryov [24]
3 years ago
9

Which substance is a source of hydrocarbons? A. natural gas B. protein C. silk D. starch E. water

Chemistry
2 answers:
oee [108]3 years ago
5 0

A. Natural Gas is a substance that is a source of hydrocarbons.

kifflom [539]3 years ago
4 0
The answer is natural gas
You might be interested in
How many hydrogen atoms are needed to form five water molecules
BARSIC [14]
2 Hydrogen Atoms Are Needed To Form Five Water Molecules
8 0
2 years ago
Read 2 more answers
Which career area in chemistry applies new discoveries to practical applications useful for consumers
trasher [3.6K]
Product development
8 0
3 years ago
Read 2 more answers
trial 2, 2.68 g/cm/3 trial 3, 2.84g/cm/3. aluminum has a density of 2.70g/cm/3 calcute the percent error for each trial.
serg [7]

Answer:

trial 2: 0.74

trial 3: 5.19

I think but the equation for sloving percent error is:

(true value - determined value)/true value * 100

Explanation:

6 0
3 years ago
I don’t know how to solve this
stepladder [879]
Hi,

Answer is 191.2.

800J = 191.2 cal

Hope this helps.
7 0
3 years ago
Plant cell synthesize energy rich organic molecules and later energy is released through the processes of
zmey [24]
Pretty sure its photosynthesis ?

7 0
3 years ago
Other questions:
  • 1. Mg + N2 —> MgN2
    12·1 answer
  • PLEASE HELP 100 POINTS!!!
    6·2 answers
  • Which is the most likely reason why an aerosol can explodes when it is thrown into a fire?
    13·1 answer
  • If the net force on a object is 375 N to the right, in what direction will the object move?
    9·1 answer
  • 6. Which of the following statements is not true for an astronomical unit?
    5·2 answers
  • Which symbol represents a salt?<br> O CaCl2<br> O C6H12O6<br> O C2H2<br> O 02
    6·1 answer
  • What is the solution to the problem expressed to the correct number of significant figures?
    8·1 answer
  • Aluminum oxide reacts with hydrochloric acid to produce salt. What is the name of the salt produced?
    14·1 answer
  • Suppose that a formic acid (hcooh) solution has a ph of 3.15. which of these substances would increase the ph of the solution?
    5·1 answer
  • 23.It is possible to dilute a solution by...Select one:a. adding more solute to the solution.b. adding more solvent to the solut
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!